Home / 87,050.50-130,595.29-27,889.72

Finding the Fourth Proportional to 87,050.50, 130,595.29 and 27,889.72

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Solution

The fourth proportional to 87,050.50, 130,595.29 and 27,889.72 is: 41,840.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,050.50 : 130,595.29 = 27,889.72 : x
  2. Step 2: Convert to fraction form
    87,050.50/130,595.29 = 27,889.72/x
  3. Step 3: Cross multiply
    87,050.50x = 130,595.29 × 27,889.72
  4. Step 4: Simplify right side
    87,050.50x = 3,642,265,675.21
  5. Step 5: Solve for x
    x = 3,642,265,675.21/87,050.50
  6. Step 6: Final answer
    x = 41,840.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.